WO2023243746A1 - Dispositif d'affichage et procédé de commande de dispositif d'affichage - Google Patents

Dispositif d'affichage et procédé de commande de dispositif d'affichage Download PDF

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Publication number
WO2023243746A1
WO2023243746A1 PCT/KR2022/008527 KR2022008527W WO2023243746A1 WO 2023243746 A1 WO2023243746 A1 WO 2023243746A1 KR 2022008527 W KR2022008527 W KR 2022008527W WO 2023243746 A1 WO2023243746 A1 WO 2023243746A1
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WO
WIPO (PCT)
Prior art keywords
display device
event
content
control unit
unit
Prior art date
Application number
PCT/KR2022/008527
Other languages
English (en)
Korean (ko)
Inventor
홍기석
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2022/008527 priority Critical patent/WO2023243746A1/fr
Publication of WO2023243746A1 publication Critical patent/WO2023243746A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4223—Cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker

Definitions

  • the present invention relates to a display device and a method of controlling the display device.
  • LCD Liquid Crystal Display
  • FED Field Emission Display
  • PDP plasma display panels
  • electroluminescence devices electroluminescence devices
  • the liquid crystal panel of the liquid crystal display device includes a liquid crystal layer, a TFT substrate and a color filter substrate facing each other with the liquid crystal layer interposed therebetween, and can display images using light provided from a backlight unit.
  • organic light emitting display devices are self-luminous devices, they do not have a backlight compared to liquid crystal display devices and have advantages in response speed, viewing angle, etc., so they are attracting attention as next-generation displays.
  • the purpose of the present invention is to provide a display device and a method of controlling the display device to solve the above problems.
  • One embodiment of the present invention includes memory; An interface unit that communicates with an external device; A display that outputs content; and
  • a control unit that controls the communication unit and the display, wherein the control unit detects the occurrence of an event while the content is being displayed,
  • a display device Stores the point in time at which the event is detected, outputs an event occurrence list upon receiving the first control signal, and selects the first event included in the event occurrence list based on the second control signal to select the first content.
  • a display device is provided, characterized in that it reproduces one viewpoint.
  • the event is characterized as noise of 1 decibel (dB) or more.
  • the external device is characterized in that it is an AI speaker
  • the control unit is characterized in that it detects the noise through the AI speaker.
  • the external device is a remote control device including a microphone, and the control unit detects the noise through the microphone.
  • the external device may be a mobile terminal, and the event may include a case where the mobile terminal is in use.
  • the display device further includes a camera, and the event includes a case where the user is not detected through the camera.
  • the event occurrence list may include the first time point and the first content information.
  • the control unit When receiving a third control signal, the control unit plays a second view of content corresponding to the most recently occurring event.
  • the first control signal is characterized as a signal for selecting a physical button included in the remote control device.
  • control unit When the content is received through a broadcast receiver, the control unit stores the content in the memory as the event is detected.
  • Another embodiment of the present invention includes detecting an event while content is being output; Saving the time when the event is detected; outputting an event occurrence list upon receiving a first control signal; and reproducing a first view of the first content based on a second control signal for selecting a first event included in the event occurrence list.
  • Figure 1 is a block diagram for explaining each configuration of a display device according to an embodiment of the present invention.
  • Figure 2 is a diagram explaining the operation of a display device according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating an example in which a display device detects noise according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating an example in which a display device detects noise according to another embodiment of the present invention.
  • FIG. 5 is a diagram illustrating an example in which a display device detects an event according to an embodiment of the present invention.
  • Figure 6 is a diagram illustrating an example in which a display device detects an event according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating an example in which a display device outputs an event occurrence list according to an embodiment of the present invention.
  • Figure 8 is a flowchart explaining a method of controlling a display device according to an embodiment of the present invention.
  • the display device described in this specification is, for example, an intelligent video display device that adds a computer support function to the broadcast reception function, and is faithful to the broadcast reception function while adding an Internet function, etc., such as a handwriting input device, a touch screen, or It can be equipped with a more convenient interface such as a spatial remote control.
  • an Internet function etc.
  • a standardized general-purpose OS can be used for these various functions.
  • the video display device may be, for example, a network TV, HBBTV, smart TV, etc., and in some cases, may also be applied to a smartphone.
  • Figure 1 is a block diagram for explaining each configuration of the display device 100 according to an embodiment of the present invention.
  • the display device 100 includes a broadcast reception unit 110, an external device interface unit 171, a network interface unit 172, a storage unit 140, a user input interface unit 173, an input unit 130, and a control unit 180. , may include a display module 150, an audio output unit 160, and/or a power supply unit 190.
  • the broadcast reception unit 110 may include a tuner unit 111 and a demodulation unit 112.
  • the display device 100 includes only the external device interface unit 171 and the network interface unit 172 among the broadcast receiver 110, the external device interface unit 171, and the network interface unit 172. It is also possible to do so. That is, the display device 100 may not include the broadcast reception unit 110.
  • the tuner unit 111 may select a broadcast signal corresponding to a channel selected by the user or all previously stored channels among broadcast signals received through an antenna (not shown) or a cable (not shown).
  • the tuner unit 111 can convert the selected broadcast signal into an intermediate frequency signal or a baseband video or audio signal.
  • the tuner unit 111 may convert it into a digital IF signal (DIF), and if the selected broadcast signal is an analog broadcast signal, it may be converted into an analog baseband video or audio signal (CVBS/SIF). That is, the tuner unit 111 can process digital broadcasting signals or analog broadcasting signals.
  • the analog base band video or audio signal (CVBS/SIF) output from the tuner unit 111 may be directly input to the control unit 180.
  • the tuner unit 111 can sequentially select broadcast signals of all broadcast channels stored through a channel memory function among received broadcast signals and convert them into intermediate frequency signals or baseband video or audio signals.
  • the tuner unit 111 may be equipped with multiple tuners in order to receive broadcast signals of multiple channels.
  • a single tuner that simultaneously receives broadcast signals from multiple channels is also possible.
  • the demodulator 112 may receive the digital IF signal (DIF) converted by the tuner unit 111 and perform a demodulation operation.
  • the demodulator 112 may perform demodulation and channel decoding and then output a stream signal (TS).
  • the stream signal may be a multiplexed video signal, audio signal, or data signal.
  • the stream signal output from the demodulator 112 may be input to the control unit 180.
  • the control unit 180 can output video through the display module 150 and audio through the audio output unit 160.
  • the sensing unit 120 refers to a device that detects changes within the display device 100 or external changes.
  • a device that detects changes within the display device 100 or external changes.
  • proximity sensor e.g., proximity sensor, illumination sensor, touch sensor, infrared sensor, ultrasonic sensor, optical sensor, e.g. , camera), a voice sensor (e.g., a microphone), a battery gauge, and an environmental sensor (e.g., a hygrometer, a thermometer, etc.).
  • the control unit 180 can check the status of the display device 100 based on the information collected by the sensing unit 120 and notify the user when a problem occurs or control it to maintain the best condition by adjusting it on its own.
  • the content, image quality, size, etc. of the image provided to the display module 180 can be controlled differently depending on the viewer or surrounding illumination detected by the sensing unit to provide an optimal viewing environment.
  • the number of functions mounted on display devices increases, and the number of sensing units 20 also increases.
  • the input unit 130 may be provided on one side of the main body of the display device 100.
  • the input unit 130 may include a touch pad, physical buttons, etc.
  • the input unit 130 can receive various user commands related to the operation of the display device 100 and transmit control signals corresponding to the input commands to the control unit 180.
  • the number of display devices 100 in which the input unit 130 in the form of a physical button exposed to the outside has been minimized has increased.
  • a minimal physical button is located on the back or side, and user input can be received through the remote control device 200 through a touchpad or a user input interface unit 173, which will be described later.
  • the storage unit 140 may store programs for processing and controlling each signal in the control unit 180, or may store processed video, audio, or data signals.
  • the storage unit 140 stores application programs designed for the purpose of performing various tasks that can be processed by the control unit 180, and selects some of the stored application programs at the request of the control unit 180. can be provided.
  • Programs stored in the storage unit 140 are not particularly limited as long as they can be executed by the control unit 180.
  • the storage unit 140 may perform a function for temporarily storing video, voice, or data signals received from an external device through the external device interface unit 171.
  • the storage unit 140 can store information about a certain broadcast channel through a channel memory function such as a channel map.
  • FIG. 1 shows an embodiment in which the storage unit 140 is provided separately from the control unit 180, the scope of the present invention is not limited thereto, and the storage unit 140 may be included in the control unit 180.
  • the storage unit 140 includes volatile memory (e.g., DRAM, SRAM, SDRAM, etc.), non-volatile memory (e.g., flash memory, hard disk drive (HDD), and solid state drive (Solid- It may include at least one of state drive (SSD), etc.).
  • volatile memory e.g., DRAM, SRAM, SDRAM, etc.
  • non-volatile memory e.g., flash memory, hard disk drive (HDD), and solid state drive (Solid- It may include at least one of state drive (SSD), etc.
  • the display module 150 converts the video signal, data signal, OSD signal, and control signal processed by the control unit 180 or the video signal, data signal, and control signal received from the interface unit 171 to generate a driving signal. You can.
  • the display module 150 may include a display panel 181 having a plurality of pixels.
  • a plurality of pixels provided in the display panel may include RGB subpixels.
  • a plurality of pixels provided in the display panel may include RGBW subpixels.
  • the display module 150 may convert image signals, data signals, OSD signals, control signals, etc. processed by the control unit 180 to generate driving signals for a plurality of pixels.
  • the display module 150 can be a plasma display panel (PDP), a liquid crystal display (LCD), an organic light emitting diode (OLED), a flexible display module, etc., and can also be a three-dimensional display module (3D display). may be possible.
  • the 3D display module 150 can be divided into a glasses-free type and a glasses type.
  • the display device 100 includes a display module that occupies most of the front area and a case that covers the rear side of the display module and packages the display module.
  • the display device 100 is a display module 150 that can be bent, such as LED (Light Emitting Diodes) or OLED (Organic Light Emitting Diodes), to implement a curved screen beyond a flat surface. can be used.
  • LED Light Emitting Diodes
  • OLED Organic Light Emitting Diodes
  • the backlight unit is a device that uniformly supplies the light source and the light supplied from the light source to the liquid crystal located on the front.
  • the backlight unit became increasingly thinner, it was possible to implement a thin LCD, but it is difficult to implement the backlight unit using a flexible material, and when the backlight unit is bent, it is difficult to supply light uniformly to the liquid crystal, causing a problem in that the brightness of the screen changes.
  • each element that makes up the pixel emits light on its own, so it can be implemented in a curved manner without using a backlight unit.
  • each element since each element emits its own light, even if the positional relationship with neighboring elements changes, its own brightness is not affected, so the flexible display module 150 can be implemented using LED or OLED.
  • OLED Organic Light Emitting Diode
  • OLED uses three types of phosphor organic compounds, including red, green, and blue, which have a self-luminous function. Electrons and positively charged particles injected from the cathode and anode are used to emit light. Since it is a light-emitting display product that utilizes the phenomenon of self-emitting light by combining within organic materials, there is no need for a backlight (halo device) that reduces color.
  • the LED (Light Emitting Diode) panel is a technology that uses one LED element as one pixel, and the size of the LED element can be reduced compared to the prior art, making it possible to implement a flexible display module 150.
  • LED TVs used LEDs as a light source for the backlight unit that supplied light to the LCD, but the LEDs themselves did not constitute a screen.
  • the display module includes a display panel, a coupling magnet located on the back of the display panel, a first power supply, and a first signal module.
  • the display panel may include a plurality of pixels (R, G, B).
  • a plurality of pixels (R, G, B) may be formed in each area where a plurality of data lines and a plurality of gate lines intersect.
  • a plurality of pixels (R, G, B) may be placed or arranged in a matrix form.
  • the plurality of pixels (R, G, B) include a red (R) subpixel, a green (Green, 'G') subpixel, and a blue (Blue, 'B') subpixel. It can be included.
  • the plurality of pixels (R, G, B) may further include a white (hereinafter referred to as 'W') subpixel.
  • the side of the display module 150 that displays images may be referred to as the front or front side.
  • the side from which the image cannot be observed may be referred to as the rear or back side.
  • the display module 150 is composed of a touch screen and can be used as an input device in addition to an output device.
  • the audio output unit 160 receives the audio-processed signal from the control unit 180 and outputs it as audio.
  • the interface unit 170 serves as a passageway for various types of external devices connected to the display device 100.
  • the interface unit may include a wired method of transmitting and receiving data through a cable as well as a wireless method using an antenna.
  • the interface unit 170 includes a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and a port for connecting a device equipped with an identification module ( port), an audio input/output (I/O) port, a video input/output (I/O) port, and an earphone port.
  • An example of a wireless method may include the broadcasting receiver 110 described above, and may include not only broadcasting signals, but also mobile communication signals, short-distance communication signals, and wireless Internet signals.
  • the external device interface unit 171 can transmit or receive data with a connected external device.
  • the external device interface unit 171 may include an A/V input/output unit (not shown).
  • the external device interface unit 171 can be connected wired/wireless to external devices such as DVD (Digital Versatile Disk), Blu ray, game device, camera, camcorder, computer (laptop), set-top box, etc. You can also perform input/output operations with external devices.
  • the external device interface unit 171 establishes a communication network with various remote control devices 200 to receive control signals related to the operation of the display device 100 from the remote control device 200 or to receive control signals related to the operation of the display device 100 from the remote control device 200. ) can be transmitted to the remote control device 200.
  • the external device interface unit 171 may include a wireless communication unit (not shown) for short-distance wireless communication with other electronic devices. Through this wireless communication unit (not shown), the external device interface unit 171 can exchange data with an adjacent mobile terminal. In particular, the external device interface unit 171 may receive device information, executing application information, application images, etc. from the mobile terminal in mirroring mode.
  • the network interface unit 172 may provide an interface for connecting the display device 100 to a wired/wireless network including an Internet network.
  • the network interface unit 172 may receive content or data provided by the Internet or a content provider or network operator through a network.
  • the network interface unit 172 may include a communication module (not shown) for connection to a wired/wireless network.
  • the external device interface unit 171 and/or the network interface unit 172 supports Wi-Fi (Wireless Fidelity), Bluetooth, Bluetooth Low Energy (BLE), Zigbee, and NFC (Near Field Communication). ), communication modules for short-range communication such as LTE (long-term evolution), LTE-A (LTE Advance), CDMA (code division multiple access), WCDMA (wideband CDMA), UMTS (universal mobile telecommunications system), WiBro ( It may include a communication module for cellular communication such as Wireless Broadband).
  • Wi-Fi Wireless Fidelity
  • BLE Bluetooth Low Energy
  • Zigbee Zigbee
  • NFC Near Field Communication
  • communication modules for short-range communication such as LTE (long-term evolution), LTE-A (LTE Advance), CDMA (code division multiple access), WCDMA (wideband CDMA), UMTS (universal mobile telecommunications system), WiBro ( It may include a communication module for cellular communication such as Wireless Broadband).
  • the user input interface unit 173 may transmit a signal input by the user to the control unit 180 or transmit a signal from the control unit 180 to the user. For example, transmitting/receiving user input signals such as power on/off, channel selection, and screen settings from the remote control device 200, or local keys such as power key, channel key, volume key, and setting value (not shown).
  • the user input signal input from the control unit 180 is transmitted to the control unit 180, the user input signal input from the sensor unit (not shown) that senses the user's gesture is transmitted to the control unit 180, or the signal from the control unit 180 is transmitted to the control unit 180. It can be transmitted to the sensor unit.
  • the control unit 180 may include at least one processor, and may control the overall operation of the display device 100 using the processor included therein.
  • the processor may be a general processor such as a central processing unit (CPU).
  • the processor may be a dedicated device such as an ASIC or another hardware-based processor.
  • the control unit 180 demultiplexes a stream input through the tuner unit 111, the demodulator 112, the external device interface unit 171, or the network interface unit 172, or processes the demultiplexed signals, Signals for video or audio output can be generated and output.
  • the image signal processed by the control unit 180 may be input to the display module 150 and displayed as an image corresponding to the image signal. Additionally, the image signal processed by the control unit 180 may be input to an external output device through the external device interface unit 171.
  • the voice signal processed by the control unit 180 may be output as sound to the audio output unit 160. Additionally, the voice signal processed by the control unit 180 may be input to an external output device through the external device interface unit 171. Additionally, the control unit 180 may include a demultiplexer, an image processor, etc.
  • control unit 180 may control overall operations within the display device 100.
  • control unit 180 may control the tuner unit 111 to select (tuning) a broadcast corresponding to a channel selected by the user or a previously stored channel.
  • control unit 180 can control the display device 100 by a user command or internal program input through the user input interface unit 173. Meanwhile, the control unit 180 can control the display module 150 to display an image. At this time, the image displayed on the display module 150 may be a still image or a moving image, and may be a 2D image or 3D image.
  • control unit 180 can cause a certain 2D object to be displayed in the image displayed on the display module 150.
  • the object may be at least one of a connected web screen (newspaper, magazine, etc.), EPG (Electronic Program Guide), various menus, widgets, icons, still images, videos, and text.
  • EPG Electronic Program Guide
  • control unit 180 may modulate and/or demodulate the signal using an amplitude shift keying (ASK) method.
  • ASK amplitude shift keying
  • the amplitude shift keying (ASK) method may refer to a method of modulating a signal by varying the amplitude of the carrier wave according to the data value, or restoring an analog signal to a digital data value according to the amplitude of the carrier wave.
  • control unit 180 may modulate an image signal using an amplitude shift keying (ASK) method and transmit it through a wireless communication module.
  • ASK amplitude shift keying
  • control unit 180 may demodulate and process an image signal received through a wireless communication module using an amplitude shift keying (ASK) method.
  • ASK amplitude shift keying
  • the display device 100 can easily transmit and receive signals with other video display devices placed adjacent to it, even without using a unique identifier such as a MAC address (Media Access Control Address) or a complex communication protocol such as TCP/IP. You can.
  • a unique identifier such as a MAC address (Media Access Control Address) or a complex communication protocol such as TCP/IP.
  • the display device 100 may further include a photographing unit (not shown).
  • the photography unit can photograph the user.
  • the photographing unit can be implemented with one camera, but is not limited to this, and can also be implemented with a plurality of cameras.
  • the photographing unit may be embedded in the display device 100 on top of the display module 150 or may be placed separately. Image information captured by the photographing unit may be input to the control unit 180.
  • the control unit 180 may recognize the user's location based on the image captured by the photographing unit. For example, the control unit 180 may determine the distance (z-axis coordinate) between the user and the display device 100. In addition, the control unit 180 may determine the x-axis coordinate and y-axis coordinate within the display module 150 corresponding to the user's location.
  • the control unit 180 may detect the user's gesture based on each or a combination of images captured from the photographing unit or signals detected from the sensor unit.
  • the power supply unit 190 may supply corresponding power throughout the display device 100.
  • power can be supplied to the control unit 180, which can be implemented in the form of a system on chip (SOC), the display module 150 for displaying images, and the audio output unit 160 for audio output. You can.
  • SOC system on chip
  • the power supply unit 190 may include a converter (not shown) that converts AC power to DC power and a Dc/Dc converter (not shown) that converts the level of DC power.
  • the power supply unit 190 receives power from the outside and serves to distribute power to each component.
  • the power supply unit 190 may use a method of supplying AC power by directly connecting to an external power source, and may include a power supply unit 190 that includes a battery and can be used by charging.
  • the charging holder can be connected to the display device through a terminal exposed to the outside, or the built-in battery can be charged when approached wirelessly.
  • the remote control device 200 may transmit user input to the user input interface unit 173.
  • the remote control device 200 may use Bluetooth, Radio Frequency (RF) communication, Infrared Radiation communication, Ultra-wideband (UWB), ZigBee, etc. Additionally, the remote control device 200 may receive video, voice, or data signals output from the user input interface unit 173 and display them or output audio signals.
  • RF Radio Frequency
  • UWB Ultra-wideband
  • ZigBee ZigBee
  • the above-described display device 100 may be a fixed or mobile digital broadcasting receiver capable of receiving digital broadcasting.
  • the block diagram of the display device 100 shown in FIG. 1 is only a block diagram for an embodiment of the present invention, and each component of the block diagram is integrated and added according to the specifications of the display device 100 that is actually implemented. , or may be omitted.
  • two or more components may be combined into one component, or one component may be subdivided into two or more components.
  • the functions performed by each block are for explaining embodiments of the present invention, and the specific operations or devices do not limit the scope of the present invention.
  • FIG. 2 is a diagram explaining the operation of a display device according to an embodiment of the present invention. Hereinafter, descriptions that overlap with the above-described content will be omitted.
  • the control unit (hereinafter, operations performed by the control unit will be described as performed by the display device for convenience of explanation) can receive a signal input. That is, the display device can receive data from the outside in order to output content. At this time, the display device can receive and output broadcast content through a broadcast reception unit, or receive and output content through an interface unit. At this time, if an event occurs while the broadcast content received through the broadcast receiver is being output, the display device may need to store the broadcast content itself. This is a case where the broadcast content received through the broadcast receiver does not provide replay. This will be explained in detail in FIG. 8.
  • the display device may constantly monitor events. This can be turned on/off through the settings menu.
  • the display device may detect the occurrence of an event while outputting content. At this time, the display device can store the time when the event occurred. For example, the display device may record in memory that an event occurred at 22:04 of the first content.
  • FIGS. 3 to 6 an embodiment in which a display device detects the occurrence of an event will be examined in detail through FIGS. 3 to 6.
  • the display device may return to the point in time when the event occurred based on the control signal.
  • the display device may return to the time of the most recently occurring event based on a control signal. More specifically, if the most recently occurring event time is 17:45 of the second content, the display device may immediately play 17:45 of the second content based on the control signal. Accordingly, users can immediately play content that they were unable to view due to sudden noise.
  • the display device may output an event occurrence list and then select the first event from the event occurrence list to output content. This will be explained in detail in Figure 7.
  • a display device can distinguish between the sound of output content and noise generated externally. This is because the output waveform of the sound of the content output from the display device is known. Accordingly, the display device can distinguish audio output generated from content from noise received from an external device or noise received from a microphone included in the display device itself.
  • the display device can determine sounds above the first decibel in addition to the output sound of the content as noise.
  • FIG. 3 is a diagram illustrating an example in which a display device detects noise according to an embodiment of the present invention.
  • FIG. 3 describes that overlap with the above-described content will be omitted.
  • the display device 100 can detect noise through the AI speaker 300 while outputting content.
  • the noise is characterized as being 1 decibel (dB) or more. Additionally, the first decibel may be determined at the time the display device 100 is delivered by the manufacturer or may be determined by user settings.
  • the display device 100 and the AI speaker 300 can use the same Wi-Fi through a wireless router, etc. Accordingly, the display device 100 can detect noise through the AI speaker 300.
  • the display device 100 may record the time of occurrence of noise in the content being output. For example, when the display device 100 receives noise from the AI speaker 300 at 26:33 of content playback, the display device 100 may record the 26:33 point of content. Thereafter, the display device 100 may reproduce the 26:33 time point of the content based on a control signal that moves directly to the point of noise occurrence or a control signal that outputs an event occurrence list.
  • FIG. 4 is a diagram illustrating an example in which a display device detects noise according to another embodiment of the present invention.
  • FIG. 4 describes that overlap with the above-described content will be omitted.
  • the external device is a remote control device 200 including a microphone. That is, the recently commercially available remote control device 200 may include a microphone to provide voice recognition.
  • the display device 100 may detect noise using a microphone within the remote control device 200. At this time, the remote control device 200 and the display device 100 can transmit and receive information to each other using Wi-Fi, Bluetooth, etc.
  • the display device 100 can detect noise through a microphone. Thereafter, if the detected noise is greater than or equal to the first value, the display device 100 may record the point in time at which noise is generated in the content being output.
  • the display device 100 may play content at the time of noise generation detected through the microphone based on a control signal moving to the time of noise generation.
  • FIG. 5 is a diagram illustrating an example in which a display device detects an event according to another embodiment of the present invention.
  • FIG. 5 describes that overlap with the above-described content will be omitted.
  • the external device is a mobile terminal 400.
  • the mobile terminal 400 is characterized as a user device connected to the display device 100 via the same Wi-Fi or the like.
  • one mobile terminal 400 is connected to the display device 100, but of course, a plurality of mobile terminals 400 can be connected to the display device 100.
  • the display device 100 can manage a plurality of mobile terminals by assigning IDs to the mobile terminals.
  • the display device 100 may record the time of occurrence of an event of content being output when the mobile terminal 400 is in use.
  • a user often uses the mobile terminal 400 while watching content being output on the display device 100. For example, this may be the case when a call or text is received on the mobile terminal 400 or when the user surfs the web.
  • the display device 100 records the case when the mobile terminal 400 is in use as the time of event occurrence and can later play it again upon receiving a control signal.
  • the display device 100 may receive information that the call was sent or received from the mobile terminal 400. Accordingly, the display device 100 can record the content time when the call starts.
  • the display device 100 may receive touch information from the mobile terminal 400. Accordingly, the display device 100 can record the content time when the user uses the mobile terminal 400.
  • the display device 100 may determine that an event has occurred only when the user inputs a touch signal to the mobile terminal 400 and inputs the touch signal again even after the first time has elapsed. That is, the display device 100 may not determine that an event has occurred when the user activates the mobile terminal 400 simply to look at the clock. However, when the user operates the mobile terminal 400 for more than a first time (for example, 5 minutes), the display device 100 may determine that the user is unable to concentrate on the content being displayed and record the time of event occurrence. .
  • a first time for example, 5 minutes
  • the display device 100 may play content corresponding to the event occurrence time based on a control signal returning to the event occurrence time.
  • FIG. 6 is a diagram illustrating an example in which a display device detects an event according to an embodiment of the present invention.
  • descriptions that overlap with the above-described content will be omitted.
  • the display device 100 may further include a camera 101.
  • the camera 101 is attached to the front of the display device 100 and can capture images or videos.
  • the display device 100 can detect the user through the camera 101. In one embodiment of the present invention, the display device 100 may determine that an event has occurred when the user is not detected through the camera 101.
  • the display device 100 may detect a state in which the user is away, and determine that the state in which the user is away is an event occurrence. Accordingly, the display device 100 can record the time when the user is away as the time when the event occurs.
  • the display device 100 may determine that an event has occurred when the user is away for more than a first time (eg, 10 minutes). That is, the user can go to the bathroom while watching content through the display device 100. At this time, if the content being viewed is not paused or cannot be paused, the user will miss part of the content. In order to compensate for this, the display device 100 may determine that an event has occurred when the user is away for more than a first time and record the first point in time of the content, which is when the event occurs.
  • a first time eg, 10 minutes
  • the display device 100 may play content corresponding to the event occurrence time based on a control signal returning to the event occurrence time.
  • FIG. 7 is a diagram illustrating an example in which a display device outputs an event occurrence list according to an embodiment of the present invention.
  • a display device outputs an event occurrence list according to an embodiment of the present invention.
  • the display device 100 may receive a first control signal for outputting an event occurrence list.
  • the first control signal may correspond to a signal for selecting a physical button (event occurrence list output button) included in the remote control device 200 or a control signal for selecting an icon (not shown) in the display device 100. there is.
  • the display device 100 may output an event occurrence list 700 upon receiving the first control signal.
  • the event occurrence list may include a first time point and first content information being output.
  • the event occurrence list may include the event occurrence time recorded by the display device 100 according to the above-described embodiment.
  • the display device 100 may record a call from Harry's phone (a mobile terminal registered in the display device 100) at 14:22 on May 10, 2022.
  • the display device 100 may include in the event occurrence list that the content being viewed at this time is Netflix A content and is the first view.
  • the event occurrence list may include at least one event occurrence point and content information at the time of event occurrence.
  • the display device 100 may reproduce the first view of the content 710 based on a second control signal that selects the first event 701 included in the event occurrence list.
  • the second signal like the first signal, corresponds to a signal for selecting a physical button (play button) included in the remote control device 200 or a control signal for selecting an icon (not shown) in the display device 100. You can.
  • the user can select the first event 701 from the event occurrence list.
  • the first event 701 is, for example, an event that occurred at 18:30 on May 11, 2022, and is characterized as noise detected through an AI speaker among external devices.
  • the user may be watching the first view (22:10) of the content 710 of the KBS1 channel through the display device 100. Accordingly, the display device 100 may reproduce the first view of the content 710 based on the second control signal that selects the first event 701.
  • Figure 8 is a flowchart explaining a method of controlling a display device according to an embodiment of the present invention. Hereinafter, descriptions that overlap with the above-described content will be omitted.
  • the display device may be powered on or turned on. Afterwards, the display device can start monitoring the event. In one embodiment, the display device can configure whether to always monitor events. For example, the user can set whether to always detect events on/off through the settings menu of the display device.
  • the display device may detect the occurrence of a first event while the first content is being output.
  • the display device can detect noise through an external device (such as an AI speaker or a remote control device including a microphone). Additionally, the display device may determine that an event occurs when an external device is in use. Additionally, the display device may determine that an event has occurred when the user is not detected through the camera.
  • the display device may store the content in memory as the first event is detected.
  • a display device can output content through a display.
  • the output content may correspond to content received through the broadcast reception unit or content received through the interface unit.
  • the display device may play the content again from the first point in time through the interface unit in order to reproduce the content.
  • the display device in the case of content received through a broadcast receiver, the display device must store the content in memory in order to play the content. This is because the content received through the broadcast receiver is not replayed, unlike the content provided by a general OTT platform.
  • the display device may store the content in memory as it detects the occurrence of an event.
  • the memory may include a general hard disk, SSD disk, USB drive, etc.
  • step S830 the display device may store the first time point at which the first event is detected.
  • steps S820 and S830 refer to the contents described above with reference to FIGS. 3 to 6.
  • the display device may receive a first control signal.
  • the first control signal is a physical button included in the remote control device. That is, the remote control device according to an embodiment of the present invention is characterized by having a physical button for outputting an event occurrence list.
  • the display device may output an event occurrence list upon receiving the first control signal.
  • the event occurrence list may include the first point in time when the event occurred and the content information.
  • step S860 the display device may reproduce the first view of the first content based on a second control signal that selects the first event included in the event occurrence list.
  • steps S840 to S860 refer to the details described above in FIG. 7.
  • Computer-readable media includes all types of recording devices that store data that can be read by a computer system. Examples of computer-readable media include HDD (Hard Disk Drive), SSD (Solid State Disk), SDD (Silicon Disk Drive), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. It also includes those implemented in the form of carrier waves (e.g., transmission via the Internet). Additionally, the computer may include a control unit. Accordingly, the above detailed description should not be construed as restrictive in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.
  • Embodiments of the present invention can be repeatedly implemented in display devices and display device control methods, and thus have industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Un mode de réalisation de la présente invention concerne un dispositif d'affichage comprenant : une mémoire ; une unité d'interface pour communiquer avec un dispositif externe ; un affichage pour produire en sortie un contenu ; et une unité de commande pour commander une unité de communication et l'affichage, l'unité de commande détectant la survenue d'un événement pendant que le contenu est produit, stockant le point dans le temps auquel l'événement est détecté, produisant en sortie une liste de survenues d'événement en réponse à la réception d'un premier signal de commande, et lisant un premier contenu d'un premier point temporel sur la base d'un second signal de commande pour sélectionner le premier événement inclus dans la liste de survenues d'événement.
PCT/KR2022/008527 2022-06-16 2022-06-16 Dispositif d'affichage et procédé de commande de dispositif d'affichage WO2023243746A1 (fr)

Priority Applications (1)

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PCT/KR2022/008527 WO2023243746A1 (fr) 2022-06-16 2022-06-16 Dispositif d'affichage et procédé de commande de dispositif d'affichage

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PCT/KR2022/008527 WO2023243746A1 (fr) 2022-06-16 2022-06-16 Dispositif d'affichage et procédé de commande de dispositif d'affichage

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100792399B1 (ko) * 2006-05-09 2008-01-09 동원대학 산학협력단 영상표시장치의 노이즈 방지 장치 및 방법
KR20080017692A (ko) * 2006-08-22 2008-02-27 엘지전자 주식회사 방송 데이터 재생 방법 및 장치
KR20190096852A (ko) * 2019-07-30 2019-08-20 엘지전자 주식회사 볼륨 조절 장치 및 이의 조절 방법
KR20200052804A (ko) * 2018-10-23 2020-05-15 삼성전자주식회사 전자 장치 및 전자 장치의 제어 방법
KR20200058959A (ko) * 2018-11-20 2020-05-28 주식회사 엘지유플러스 영상 콘텐츠 재생을 위한 장치, 서버 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100792399B1 (ko) * 2006-05-09 2008-01-09 동원대학 산학협력단 영상표시장치의 노이즈 방지 장치 및 방법
KR20080017692A (ko) * 2006-08-22 2008-02-27 엘지전자 주식회사 방송 데이터 재생 방법 및 장치
KR20200052804A (ko) * 2018-10-23 2020-05-15 삼성전자주식회사 전자 장치 및 전자 장치의 제어 방법
KR20200058959A (ko) * 2018-11-20 2020-05-28 주식회사 엘지유플러스 영상 콘텐츠 재생을 위한 장치, 서버 및 방법
KR20190096852A (ko) * 2019-07-30 2019-08-20 엘지전자 주식회사 볼륨 조절 장치 및 이의 조절 방법

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